Enhance git_prompt_help and example with real colors and markers

git-prompt-help.sh

@@ -5,18 +5,19 @@
 git_prompt_help() {
   source "${__GIT_PROMPT_DIR}/prompt-colors.sh"
   source "${__GIT_PROMPT_DIR}/themes/Default.bgptheme"
+
  cat <<EOF | sed 's/\\\[\\033//g' | sed 's/\\\]//g'
-The git prompt format is ${GIT_PROMPT_PREFIX}<BRANCH><TRACKING>${GIT_PROMPT_SEPARATOR}<LOCALSTATUS>${GIT_PROMPT_SUFFIX}
+The git prompt format is ${GIT_PROMPT_PREFIX}<BRANCH><TRACKING>${GIT_PROMPT_SEPARATOR}<LOCALSTATUS>${GIT_PROMPT_SUFFIX}${ResetColor}
 
-BRANCH is a branch name, such as "master" or "stage", a tag name, or commit
-hash prefixed with ':'.
+BRANCH is a branch name, such as "${GIT_PROMPT_MASTER_BRANCH}master${ResetColor}" or "${GIT_PROMPT_BRANCH}stage${ResetColor}", a tag name, or commit
+${GIT_PROMPT_SYMBOLS_PREHASH}hash${ResetColor} prefixed with '${GIT_PROMPT_SYMBOLS_PREHASH:-':'}${ResetColor}'.
 
 TRACKING indicates how the local branch differs from the
 remote branch.  It can be empty, or one of:
 
     ${GIT_PROMPT_BRANCH}${ResetColor}${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_AHEAD}N${ResetColor} - ahead of remote by N commits
     ${GIT_PROMPT_BRANCH}${ResetColor}${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_BEHIND}M${ResetColor} - behind remote by M commits
-    ${GIT_PROMPT_BRANCH}${ResetColor}${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_AHEAD}N${GIT_PROMPT_SYMBOLS_BEHIND}M${ResetColor} - branches diverged, other by M commits, yours by N commits
+    ${GIT_PROMPT_BRANCH}${ResetColor}${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_BEHIND}M${GIT_PROMPT_SYMBOLS_AHEAD}N${ResetColor} - branches diverged, other by M commits, yours by N commits
 
 LOCALSTATUS is one of the following:
 
@@ -34,32 +35,50 @@ EOF
 help_git_prompt() { git_prompt_help ; }
 
 git_prompt_examples() {
+
+  format_branch() {
+    case "$1" in
+      ${GIT_PROMPT_MASTER_BRANCHES})
+        echo "${GIT_PROMPT_MASTER_BRANCH}$1${ResetColor}"
+        ;;
+      *)
+        echo "${GIT_PROMPT_BRANCH}$1${ResetColor}"
+        ;;
+    esac
+  }
+  local p="${GIT_PROMPT_PREFIX}"
+  local s="${GIT_PROMPT_SUFFIX}${ResetColor}"
+
   cat <<EOF | sed 's/\\\[\\033//g' | sed 's/\\\]//g'
 These are examples of the git prompt:
 
-  [${GIT_PROMPT_BRANCH}master${ResetColor}${GIT_PROMPT_REMOTE}↑·3${ResetColor}|${GIT_PROMPT_CHANGED}1${ResetColor}]  - on branch "master", ahead of remote by 3 commits, 1
-                    file changed but not staged
+  ${p}`format_branch master`${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_AHEAD}3${ResetColor}|${GIT_PROMPT_CHANGED}1${ResetColor}${s}  - on branch "master", ahead of remote by 3 commits, 1
+                     file changed but not staged
 
-  [${GIT_PROMPT_BRANCH}status${ResetColor}|${GIT_PROMPT_STAGED}2${ResetColor}]     - on branch "status", 2 files staged
+  ${p}`format_branch status`${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_STAGED}2${ResetColor}${s}     - on branch "status", 2 files staged
 
-  [${GIT_PROMPT_BRANCH}master${ResetColor}|${GIT_PROMPT_CHANGED}7${GIT_PROMPT_UNTRACKED}${ResetColor}]    - on branch "master", 7 files changed, some files untracked
+  ${p}`format_branch master`${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_CHANGED}7${GIT_PROMPT_UNTRACKED}${ResetColor}${s}   - on branch "master", 7 files changed, some files untracked
 
-  [${GIT_PROMPT_BRANCH}master${ResetColor}|${GIT_PROMPT_CONFLICTS}2${GIT_PROMPT_CHANGED}3${ResetColor}]   - on branch "master", 2 conflicts, 3 files changed
+  ${p}`format_branch master`${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_CONFLICTS}2${GIT_PROMPT_CHANGED}3${ResetColor}${s}  - on branch "master", 2 conflicts, 3 files changed
 
-  [${GIT_PROMPT_BRANCH}master${ResetColor}|${GIT_PROMPT_STASHED}2${ResetColor}]     - on branch "master", 2 stash entries
+  ${p}`format_branch master`${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_STASHED}2${ResetColor}${s}     - on branch "master", 2 stash entries
 
-  [${GIT_PROMPT_BRANCH}experimental${ResetColor}${GIT_PROMPT_REMOTE}↓·2↑·3${ResetColor}|${GIT_PROMPT_CLEAN}${ResetColor}]
-                  -  on branch "experimental"; your branch has diverged
+  ${p}`format_branch experimental`${GIT_PROMPT_REMOTE}${GIT_PROMPT_SYMBOLS_BEHIND}2${GIT_PROMPT_SYMBOLS_AHEAD}3${ResetColor}${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_CLEAN}${ResetColor}${s}
+                   - on branch "experimental"; your branch has diverged
                      by 3 commits, remote by 2 commits; the repository is
                      otherwise clean
 
-  [${GIT_PROMPT_BRANCH}:70c2952${ResetColor}|${GIT_PROMPT_CLEAN}${ResetColor}]    - not on any branch; parent commit has hash "70c2952"; the
-                    repository is otherwise clean
+  ${p}${GIT_PROMPT_BRANCH}${GIT_PROMPT_SYMBOLS_PREHASH}70c2952${ResetColor}${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_CLEAN}${ResetColor}${s}    - not on any branch; parent commit has hash "70c2952"; the
+                     repository is otherwise clean
+
+  ${p}`format_branch extra-features`${GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING}${ResetColor}${GIT_PROMPT_SEPARATOR}${GIT_PROMPT_CHANGED}2${GIT_PROMPT_UNTRACKED}4${ResetColor}${s}
+                   - on branch "extra-features"; no remote set (signalled by '${GIT_PROMPT_SYMBOLS_NO_REMOTE_TRACKING}${ResetColor}'),
+                     2 files changed and 4 untracked files exist
 EOF
 }
 
 git_prompt_color_samples() {
-  
+
   showColor() {
     local color=$(eval echo "\${${1}}")
     echo -e "${color}${1}${ResetColor}" | sed 's/\\\]//g'  | sed 's/\\\[//g'